Home / 122,273.81-168,735.69-68,558.66

Finding the Fourth Proportional to 122,273.81, 168,735.69 and 68,558.66

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Solution

The fourth proportional to 122,273.81, 168,735.69 and 68,558.66 is: 94,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,273.81 : 168,735.69 = 68,558.66 : x
  2. Step 2: Convert to fraction form
    122,273.81/168,735.69 = 68,558.66/x
  3. Step 3: Cross multiply
    122,273.81x = 168,735.69 × 68,558.66
  4. Step 4: Simplify right side
    122,273.81x = 11,568,291,956.90
  5. Step 5: Solve for x
    x = 11,568,291,956.90/122,273.81
  6. Step 6: Final answer
    x = 94,609.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.